Home / 157,166.75-216,931.85-96,788.03

Finding the Fourth Proportional to 157,166.75, 216,931.85 and 96,788.03

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Solution

The fourth proportional to 157,166.75, 216,931.85 and 96,788.03 is: 133,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,166.75 : 216,931.85 = 96,788.03 : x
  2. Step 2: Convert to fraction form
    157,166.75/216,931.85 = 96,788.03/x
  3. Step 3: Cross multiply
    157,166.75x = 216,931.85 × 96,788.03
  4. Step 4: Simplify right side
    157,166.75x = 20,996,404,837.16
  5. Step 5: Solve for x
    x = 20,996,404,837.16/157,166.75
  6. Step 6: Final answer
    x = 133,593.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.